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Discussion Starter · #1 ·
So today I was just tinkering with the car... 02 325i. Read the codes just to see if anything was there and it had one code stored. P0151. The check engine light hasn't been on in over a month. I took a multi-meter to the O2 sensor and it checked out within specifications. Do you all think it was a one time thing that happened and it stored the code? Could it be something else?

BTW, I searched and couldn't really find much. The CCV, upper and lower intake boots, and VCG were replaced very recently.

Any thoughts? Thanks.

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